相对真空及绝对真空测试器

Relative and absolute vacuum tester

这食物保存在绝对真空中。

The food is kept in the absolute vacuum.

就算这样，大型强子对撞机也不是绝对真空。

Even with all this, the Large Hadron Collider isn't a perfect vacuum.

与其它竞争产品不同,EV类产品提供从大气到绝对真空的连续操作.

Unlike some competitive products the EV range provides continuous operation from atmosphere to ultimate vacuum.

这时的空间是绝对真空吗？并不是。

Is the space now totally empty? Actually, no.